WP_Block_Metadata_Registry::get_metadata( string $file_or_folder ): array|null

Source

public static function get_metadata( $file_or_folder ) {
	$path = self::find_collection_path( $file_or_folder );
	if ( ! $path ) {
		return null;
	}

	$collection = &self::$collections[ $path ];

	if ( null === $collection['metadata'] ) {
		// Load the manifest file if not already loaded
		$collection['metadata'] = require $collection['manifest'];
	}

	// Get the block name from the path.
	$block_name = self::default_identifier_callback( $file_or_folder );

	return isset( $collection['metadata'][ $block_name ] ) ? $collection['metadata'][ $block_name ] : null;
}

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